25316120

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1627}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 57142800

約数和(自身を除く): 31826680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1627, 1945, 3112, 3254, 3890, 6508, 7780, 8135, 13016, 15560, 16270, 32540, 65080, 632903, 1265806, 2531612, 3164515, 5063224, 6329030, 12658060, 25316120]

約数ペア:

[(1, 25316120), (2, 12658060), (4, 6329030), (5, 5063224), (8, 3164515), (10, 2531612), (20, 1265806), (40, 632903), (389, 65080), (778, 32540), (1556, 16270), (1627, 15560), (1945, 13016), (3112, 8135), (3254, 7780), (3890, 6508)]